How Sports World, Teams Plan to Honor 20th Anniversary of 9/11
Mets' Sept. 11 Caps Rejected for Sake of Uniformity - The New York
Mets, Yankess don NYPD, FDNY hats, honor Sept. 11 first responders
Mike Piazza appreciates Pete Alonso keeping 9/11 traditions
9/11 tributes in football, baseball – Orange County Register
NY Mets to wear first responder caps during a game on 9/11
Mets, Yankees and more pay tribute on 9/11 20th anniversary
MLB Players to Wear Ribbons on Caps for 9-11 – SportsLogos.Net News
Pete Alonso wasn't about to let MLB stop his 9/11 tribute
Thanks to the New - New York City Department of Sanitation
Mets Radio Announcer Howie Rose Absolutely Eviscerates MLB For Not
Mets, Yankees, MLB to Mark 9/11 20th Anniversary with On-Uniform
NY Mets to wear first responder caps during a game on 9/11
Mets senior director of security remembers 9/11